-
Notifications
You must be signed in to change notification settings - Fork 0
/
Main.pas
337 lines (295 loc) · 8.64 KB
/
Main.pas
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
unit Main;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, Vcl.Menus,
System.Actions, Vcl.ActnList, Vcl.ComCtrls, Vcl.AppEvnts,
Vcl.Buttons, BaseCalc, About, ShellAPI;
type
TFrmMain = class(TForm)
ActionList: TActionList;
HelpTopicsCmd: TAction;
HelpAboutCmd: TAction;
MainMenu: TMainMenu;
Help1: TMenuItem;
AjudaTopicosItem: TMenuItem;
N1: TMenuItem;
AjudaSobreItem: TMenuItem;
PnlScreen: TPanel;
StatusBar: TStatusBar;
ApplicationEvents: TApplicationEvents;
Btn1: TSpeedButton;
BtnAllClear: TSpeedButton;
PnlConstantFlag: TPanel;
PnlOperator: TPanel;
Panel1: TPanel;
ActBtn1: TAction;
ActBtnAllClear: TAction;
ActBtn2: TAction;
ActBtn3: TAction;
ActBtn4: TAction;
ActBtn5: TAction;
ActBtn6: TAction;
ActBtn7: TAction;
ActBtn8: TAction;
ActBtn9: TAction;
ActBtn0: TAction;
ActBtnDecimal: TAction;
Btn2: TSpeedButton;
Btn3: TSpeedButton;
Btn4: TSpeedButton;
Btn5: TSpeedButton;
Btn6: TSpeedButton;
Btn7: TSpeedButton;
Btn8: TSpeedButton;
Btn9: TSpeedButton;
BtnDecimal: TSpeedButton;
Btn0: TSpeedButton;
BtnEquals: TSpeedButton;
BtnDivision: TSpeedButton;
BtnMultiplication: TSpeedButton;
BtnSubtraction: TSpeedButton;
BtnAddition: TSpeedButton;
ActBtnAddition: TAction;
ActBtnEquals: TAction;
TmrPowerOff: TTimer;
ActBtnSubtraction: TAction;
ActBtnMultiplication: TAction;
ActBtnDivision: TAction;
BtnClear: TSpeedButton;
ActBtnClear: TAction;
BaseCalc: TBaseCalc;
procedure FormCreate(Sender: TObject);
procedure ApplicationEventsHint(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure ActBtn1Execute(Sender: TObject);
procedure ActBtnAllClearExecute(Sender: TObject);
procedure ActBtn2Execute(Sender: TObject);
procedure ActBtn3Execute(Sender: TObject);
procedure ActBtn4Execute(Sender: TObject);
procedure ActBtn5Execute(Sender: TObject);
procedure ActBtn6Execute(Sender: TObject);
procedure ActBtn7Execute(Sender: TObject);
procedure ActBtn8Execute(Sender: TObject);
procedure ActBtn9Execute(Sender: TObject);
procedure ActBtn0Execute(Sender: TObject);
procedure ActBtnDecimalExecute(Sender: TObject);
procedure ActBtnAdditionExecute(Sender: TObject);
procedure ActionListUpdate(Action: TBasicAction; var Handled: Boolean);
procedure ActBtnEqualsExecute(Sender: TObject);
procedure TmrPowerOffTimer(Sender: TObject);
procedure ActionListExecute(Action: TBasicAction; var Handled: Boolean);
procedure ActBtnSubtractionExecute(Sender: TObject);
procedure ActBtnMultiplicationExecute(Sender: TObject);
procedure ActBtnDivisionExecute(Sender: TObject);
procedure ApplicationEventsException(Sender: TObject; E: Exception);
procedure ActBtnClearExecute(Sender: TObject);
procedure HelpAbout(Sender: TObject);
procedure HelpTopics(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
FrmMain: TFrmMain;
implementation
{$R *.dfm}
procedure TFrmMain.ActBtn0Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('0');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn1Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('1');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn2Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('2');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn3Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('3');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn4Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('4');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn5Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('5');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn6Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('6');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn7Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('7');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn8Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('8');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtn9Execute(Sender: TObject);
begin
BaseCalc.PushToScreen('9');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnAdditionExecute(Sender: TObject);
begin
BaseCalc.PushAddition;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnAllClearExecute(Sender: TObject);
begin
BaseCalc.ClearAll;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnClearExecute(Sender: TObject);
begin
BaseCalc.Clear;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnDecimalExecute(Sender: TObject);
begin
BaseCalc.PushToScreen(',');
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnDivisionExecute(Sender: TObject);
begin
BaseCalc.PushDivision;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnEqualsExecute(Sender: TObject);
begin
BaseCalc.PushResultToScreen;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnMultiplicationExecute(Sender: TObject);
begin
BaseCalc.PushMultiplication;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActBtnSubtractionExecute(Sender: TObject);
begin
BaseCalc.PushSubtraction;
PnlScreen.Caption := BaseCalc.Screen;
end;
procedure TFrmMain.ActionListExecute(Action: TBasicAction;
var Handled: Boolean);
begin
TmrPowerOff.Enabled := False;
TmrPowerOff.Enabled := True;
//ShowMessage(Action.Name);
end;
procedure TFrmMain.ActionListUpdate(Action: TBasicAction; var Handled: Boolean);
var
ErrorMsg: String;
begin
//Update PnlOperator
case BaseCalc.Operation of
opAddition: PnlOperator.Caption := '+';
opSubtraction: PnlOperator.Caption := '-';
opMultiplication: PnlOperator.Caption := '×';
opDivision: PnlOperator.Caption := '÷';
opUnset: PnlOperator.Caption := '';
end;
//Update PnlConstantFlag
PnlConstantFlag.ShowCaption := BaseCalc.ConstantOn;
//Update PnlErrorFlag
if BaseCalc.ErrorOn then
begin
ErrorMsg := BaseCalc.Screen;
SetLength(ErrorMsg, BaseCalc.Screen.Length-1);
PnlScreen.Caption := ErrorMsg + 'E';
end;
end;
procedure TFrmMain.ApplicationEventsException(Sender: TObject; E: Exception);
begin
//Remove this procedure to see error dialogs.
end;
procedure TFrmMain.ApplicationEventsHint(Sender: TObject);
begin
StatusBar.Panels[0].Text := Application.Hint;
end;
procedure TFrmMain.FormCreate(Sender: TObject);
begin
FrmMain.Width := 206;
BaseCalc.Init;
PnlScreen.Caption := BaseCalc.Screen;
TmrPowerOff.Interval := 1000 * 60 * 6; //6 Minutes
TmrPowerOff.Enabled := True;
end;
procedure TFrmMain.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
//ShowMessage(IntToStr(Key));
//PnlScreen.Caption := IntToStr(Key);
//Shift key pressed
if (Shift=[ssShift]) then
case Key of
187: ActBtnAddition.Execute;
56: ActBtnMultiplication.Execute;
end
else
case Key of
VK_ESCAPE: ActBtnAllClear.Execute;
VK_DELETE: ActBtnClear.Execute;
VK_RETURN: ActBtnEquals.Execute;
//Num Pad
VK_NUMPAD1: ActBtn1.Execute;
VK_NUMPAD2: ActBtn2.Execute;
VK_NUMPAD3: ActBtn3.Execute;
VK_NUMPAD4: ActBtn4.Execute;
VK_NUMPAD5: ActBtn5.Execute;
VK_NUMPAD6: ActBtn6.Execute;
VK_NUMPAD7: ActBtn7.Execute;
VK_NUMPAD8: ActBtn8.Execute;
VK_NUMPAD9: ActBtn9.Execute;
VK_NUMPAD0: ActBtn0.Execute;
//Numeric Character
49: ActBtn1.Execute;
50: ActBtn2.Execute;
51: ActBtn3.Execute;
52: ActBtn4.Execute;
53: ActBtn5.Execute;
54: ActBtn6.Execute;
55: ActBtn7.Execute;
56: ActBtn8.Execute;
57: ActBtn9.Execute;
48: ActBtn0.Execute;
//Comma
188: ActBtnDecimal.Execute;
VK_DECIMAL: ActBtnDecimal.Execute;
//Operations
107: ActBtnAddition.Execute;
109: ActBtnSubtraction.Execute;
189: ActBtnSubtraction.Execute;
106: ActBtnMultiplication.Execute;
111: ActBtnDivision.Execute;
193: ActBtnDivision.Execute;
end;
end;
procedure TFrmMain.HelpAbout(Sender: TObject);
begin
AboutBox.ShowModal;
end;
procedure TFrmMain.HelpTopics(Sender: TObject);
begin
ShellExecute(Handle, 'Open', PChar('calculator.chm'), '', '', SW_NORMAL);
end;
procedure TFrmMain.TmrPowerOffTimer(Sender: TObject);
begin
Close;
end;
end.